Panel forming
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United States of America Patent
Stats
-
May 30, 2017
Grant Date -
Dec 3, 2015
app pub date -
Aug 13, 2015
filing date -
Aug 13, 2015
priority date (Note) -
Withdrawn
status (Latency Note)
Importance
Abstract
Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight. Building panels, each having a surface layer on a front side, a backing layer on a rear side and an intermediate core, wherein the intermediate core and the surface and the backing layer all comprise wood fibers and thermosetting resins, said building panels are provided with a locking system for vertical and horizontal locking of a first edge of a first building panel to an adjacent second edge of a second building panel.
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International Classification(s)
- B27F:DOVETAILED WORK; TENONS; SLOTTING MACHINES; NAILIN....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B41J:TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. M....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- E04C:STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04F:FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
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